Question

Which gas is safe and an effective extinguisher for all confined fires?
A) Nitrogen dioxide
B) Carbon dioxide
C) Sulphur dioxide
D) Nitrous Oxide

Answer 1

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★ Which gas is safe and an effective extinguisher for all confined fires?

A) Nitrogen dioxide

B) Carbon dioxide

C) Sulphur dioxide

D) Nitrous Oxide

→ OPTION B

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Answer 2

Answer:

The correct answer of this question is Option B, carbon dioxide.

Explanation:

The fire needs continuous oxygen supply for it's burning whenever we cut off the oxygen supply ,the fire will be immediately extinguished.

And for the best possible way to cut off the oxygen supply we mostly use the carbon dioxide gas which has contrasting nature than the oxygen and it's toxicity levels are also less than the other fire extinguishing gases available in our environment.